Professional Java EE Design Patterns is the perfect
companion for anyone who wants to work more effectively with Java
EE, and the only resource that covers both the theory and
application of design patterns in solving real-world problems. The
authors guide readers through both the fundamental and advanced
features of Java EE 7, presenting patterns throughout, and
demonstrating how they are used in day-to-day problem solving.

As the most popular programming language in community-driven
enterprise software, Java EE provides an API and runtime
environment that is a superset of Java SE. Written for the junior
and experienced Java EE developer seeking to improve design quality
and effectiveness, the book covers areas including:

Colorful war-stories showing how patterns were used in the
field to solve real-life problems

Unlike most Java EE books that simply offer descriptions or
recipes, this book drives home the implementation of the pattern to
real problems to ensure that the reader learns how the patterns
should be used and to be aware of their pitfalls.

For the programmer looking for a comprehensive guide that is
actually useful in the everyday workflow, Professional Java EE
Design Patterns is the definitive resource on the market.